From: Stevan Little <stevan.little@iinteractive.com>
Date: Sat, 7 Oct 2006 11:01:47 +0000 (+0000)
Subject: lazy attr bug found by ashley
X-Git-Tag: 0_14~1
X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=commitdiff_plain;h=4fd69d6c1e9ed820d8ea46f9aabf5afc705a4db0;p=gitmo%2FMoose.git

lazy attr bug found by ashley
---

diff --git a/Changes b/Changes
index 7e5e0a9..351e50f 100644
--- a/Changes
+++ b/Changes
@@ -1,5 +1,12 @@
 Revision history for Perl extension Moose
 
+0.14
+
+    * Moose::Meta::Attribute
+      - fixed lazy attributes which were not getting 
+        checked with the type constraint (thanks ashley)
+        - added tests for this
+
 0.13 Sat. Sept. 30, 2006
     ++ NOTE ++
     This version of Moose *must* have Class::MOP 0.35 in order 
diff --git a/README b/README
index 914c6bf..1690d5a 100644
--- a/README
+++ b/README
@@ -1,4 +1,4 @@
-Moose version 0.13
+Moose version 0.14
 ===========================
 
 See the individual module documentation for more information
diff --git a/lib/Moose.pm b/lib/Moose.pm
index 150bc31..8bac829 100644
--- a/lib/Moose.pm
+++ b/lib/Moose.pm
@@ -4,7 +4,7 @@ package Moose;
 use strict;
 use warnings;
 
-our $VERSION = '0.13';
+our $VERSION = '0.14';
 
 use Scalar::Util 'blessed', 'reftype';
 use Carp         'confess';
diff --git a/lib/Moose/Meta/Attribute.pm b/lib/Moose/Meta/Attribute.pm
index a6fd964..437a0b0 100644
--- a/lib/Moose/Meta/Attribute.pm
+++ b/lib/Moose/Meta/Attribute.pm
@@ -7,7 +7,7 @@ use warnings;
 use Scalar::Util 'blessed', 'weaken', 'reftype';
 use Carp         'confess';
 
-our $VERSION = '0.07';
+our $VERSION = '0.08';
 
 use Moose::Util::TypeConstraints ();
 
@@ -267,6 +267,24 @@ sub _inline_check_required {
 sub _inline_check_lazy {
     my $self = shift;
 	return '' unless $self->is_lazy;
+	if ($self->has_type_constraint) {
+	    # NOTE:
+	    # this could probably be cleaned 
+	    # up and streamlined a little more
+	    return 'unless (exists $_[0]->{$attr_name}) {' .
+	           '    if ($attr->has_default) {' .
+	           '        my $default = $attr->default($_[0]);' .
+               '        (defined($attr->type_constraint->check($default)))' .
+               '        	|| confess "Attribute (" . $attr->name . ") does not pass the type constraint ("' .
+               '               . $attr->type_constraint->name . ") with " . (defined($default) ? "\'$default\'" : "undef")' .
+               '          if defined($default);' .	                
+	           '        $_[0]->{$attr_name} = $default; ' .
+	           '    }' .
+	           '    else {' .
+               '        $_[0]->{$attr_name} = undef;' .
+	           '    }' .
+	           '}';	    
+	}
     return '$_[0]->{$attr_name} = ($attr->has_default ? $attr->default($_[0]) : undef)'
          . 'unless exists $_[0]->{$attr_name};';
 }
diff --git a/t/071_misc_attribute_tests.t b/t/071_misc_attribute_tests.t
index eb22962..c2ddfaf 100644
--- a/t/071_misc_attribute_tests.t
+++ b/t/071_misc_attribute_tests.t
@@ -3,35 +3,69 @@
 use strict;
 use warnings;
 
-use Test::More tests => 7;
+use Test::More tests => 10;
 use Test::Exception;
 
 BEGIN {
     use_ok('Moose');           
 }
 
-## Roles
-
 {
-    package Test::TheDefaultFor::ArrayRef::and::HashRef;
-    use Moose;
+    {
+        package Test::TheDefaultFor::ArrayRef::and::HashRef;
+        use Moose;
     
-    has 'array_ref' => (is => 'rw', isa => 'ArrayRef');
-    has 'hash_ref'  => (is => 'rw', isa => 'HashRef');    
+        has 'array_ref' => (is => 'rw', isa => 'ArrayRef');
+        has 'hash_ref'  => (is => 'rw', isa => 'HashRef');    
+
+    }
+
+    my $test = Test::TheDefaultFor::ArrayRef::and::HashRef->new;
+    isa_ok($test, 'Test::TheDefaultFor::ArrayRef::and::HashRef');
+
+    is_deeply($test->array_ref, [], '.... got the right default value');
+    is_deeply($test->hash_ref,  {}, '.... got the right default value');
+
+    my $test2 = Test::TheDefaultFor::ArrayRef::and::HashRef->new(
+        array_ref => [ 1, 2, [] ],
+        hash_ref  => { one => 1, two => 2, three => {} },
+    );
+    isa_ok($test2, 'Test::TheDefaultFor::ArrayRef::and::HashRef');
 
+    is_deeply($test2->array_ref, [ 1, 2, [] ], '.... got the right default value');
+    is_deeply($test2->hash_ref,  { one => 1, two => 2, three => {} }, '.... got the right default value');
 }
 
-my $test = Test::TheDefaultFor::ArrayRef::and::HashRef->new;
-isa_ok($test, 'Test::TheDefaultFor::ArrayRef::and::HashRef');
+{
+    {
+        package Test::For::Lazy::TypeConstraint;
+        use Moose;
+        use Moose::Util::TypeConstraints;
 
-is_deeply($test->array_ref, [], '.... got the right default value');
-is_deeply($test->hash_ref,  {}, '.... got the right default value');
+        has 'bad_lazy_attr' => (
+            is => 'rw',
+            isa => 'ArrayRef',
+            lazy => 1, 
+            default => sub { "test" },
+        );
+        
+        has 'good_lazy_attr' => (
+            is => 'rw',
+            isa => 'ArrayRef',
+            lazy => 1, 
+            default => sub { [] },
+        );        
 
-my $test2 = Test::TheDefaultFor::ArrayRef::and::HashRef->new(
-    array_ref => [ 1, 2, [] ],
-    hash_ref  => { one => 1, two => 2, three => {} },
-);
-isa_ok($test2, 'Test::TheDefaultFor::ArrayRef::and::HashRef');
+    }
 
-is_deeply($test2->array_ref, [ 1, 2, [] ], '.... got the right default value');
-is_deeply($test2->hash_ref,  { one => 1, two => 2, three => {} }, '.... got the right default value');
\ No newline at end of file
+    my $test = Test::For::Lazy::TypeConstraint->new;
+    isa_ok($test, 'Test::For::Lazy::TypeConstraint');
+    
+    dies_ok {
+        $test->bad_lazy_attr;
+    } '... this does not work';
+    
+    lives_ok {
+        $test->good_lazy_attr;
+    } '... this does not work';    
+}